UNITED STATES
                     SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C.  20549

                                 SCHEDULE 13G

                 Under the Securities Exchange Act of 1934



                         KEITHLEY INSTRUMENTS INC.
                             (Name of Issuer)

                               Common Stock
                      (Title of Class of Securities)

                                487584104
                              (Cusip Number)

                                04/30/2000
            (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

{X}     Rule 13d-1( b )
{   }     Rule 13d-1( c )
{   }     Rule 13d-1( d )

The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter the
disclosures in a prior cover page.

The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section
of the Act but shall be subject to all other provisions of the act  (however,
see the Notes).





(Continued on the following page(s))

Page 1 of  5


CUSIP No.

487584104

13G

Page 2 of 5

Pages


1
Name of Reporting Person
S.S. or I.R.S. Identification No. of Above Person

KeyCorp
I.R.S. Employer Identification No. 34-1784820


2
Check the Appropriate Box if a Member of a Group*

(a)
Not Applicable

(b)


3
SEC Use Only


4
Citizenship or Place of Organization
State of Ohio

Number of Shares Benefically Owned By Each Reporting Person With
5  Sole Voting Power
475,867


6  Shared Voting Power
0

7  Sole Dispositive
471,267


8  Shared Dispositive Power
13,600


9
Aggregate Amount Beneficially Owned by Each Reporting Person
484,867


10
Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares*
Not Applicable


11
Percent of Class Represented by Amount in Row 9
10.86 %


12  Type of Reporting Person*
HC
SEC 1745 (6-80)				*SEE INSTRUCTIONS BEFORE FILLING OUT


							2 of 5




                           UNITED STATES
                SECURITIES AND EXCHANGE COMMISSION
                     Washington  D.C.  20549

                           SCHEDULE 13G

            Under the Securities and Exchange Act of 1934


Item 1 (a).  Name of Issuer:
KEITHLEY INSTRUMENTS INC.

Item 1 (b).  Address of Issuer's principal executive offices:
28775 Aurora Road
Solon, Ohio 44139

Item 2 (a).  Name of person filing:
KeyCorp

Item 2 (b).  Address of principal business office:
127 Public Square
Cleveland,  Ohio  44114-1306

Item 2 (c).  Place of organization:
State of Ohio

Item 2 (d).  Title of class of securities:
Common Stock

Item 2 (e).  CUSIP Number:
487584104

Item 3.         If this statement is filed pursuant to Rules 13d-1(b),  or
                     13d - 2 (b), indicate type of  person filing:

Person filing is a Parent Holding Company, in accordance with
240.13d - 1(b)(ii)(G)


3 of 5




Item 4.
Ownership:

(a)  Amount of beneficially owned:
484,867 shares

(b)  Percent of class:
10.86 %

(c)  Number of shares as to which such person has:


    (i)Sole power to vote or to direct the vote
       475,867

   (ii)Shared power to vote or to direct the vote
       0

  (iii)Sole power to dispose or to direct the disposition of
      471,267

   (iv)Shared power to dispose or to direct the disposition of
       13,600


Item 5.
Ownership of five percent or less of a class:
Not Applicable


Item 6.
Ownership of more than five percent on behalf of another person:
Other persons are known to have the right to receive or the power to direct
the receipt of dividends or the proceeds
from the sale of these securities.  Those persons whose
interest relates to more than five percent of the class are:


Item 7.
Identification and classification of the subsidiaries which acquired the
security being reported on by the parent holding company:

Identification: Key Trust Company of Ohio National Association

Classification:    (B) Banks as defined by Section 3 (A) (6) of the act.


Identification:    Key Asset Mangaement

Classification:    Registered investment advisor


Item 8.
Identification and classification of members of the group:
Not Applicable


Item 9.
Notice of dissolution of group:
Not Applicable




						4 of 5



Item 10.  Certification

The undersigned expressly declares that the filing of the Schedule 13G shall
not be construed as an admission that the undersigned is, for purposes of
Section 13(d) and 13(g) of the Securities Exchange Act of 1934, the beneficial
owner of any securities covered by this Schedule 13G.

By signing below, I certify that, to the best of my knowledge and belief, the
securities referred to above were not acquired for the purpose of and do not
have the  effect of changing or influencing the control of the issuer of such
securities and were not acquired in connection with or as a participant
in any transaction having such purposes or effect.

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.



Date:  May 10, 2000



KeyBank National Association

By:




Carol Davenport
Chief Fiduciary Officer
KeyBank
















5 of 5